#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main() {
    int code;
    while (scanf("%d", &code) != EOF) {
        switch (code) {
        case 200:
            printf("OK\n");
            break;
        case 202:
            printf("Accepted\n");
            break;
        case 400:
            printf("Bad Request\n");
            break;
        case 403:
            printf("Forbidden\n");
            break;
        case 404:
            printf("Not Found\n");
            break;
        case 500:
            printf("Internal Server Error\n");
            break;
        case 502:
            printf("Bad Gateway\n");
            break;
        }
    }
    return 0;
}